Perhaps you should try some spelling variations:
va thanh » gia thanh, ban thanh, va tinh
thanh di » thanh doi, thanh de, thanh do
su sach » so sach, vu sach
cam duc » cam xuc, cao duc, pham duc
cua tre » cua te, cuu tre, cua triet
y nang » ly nang, v nang, may nang
va cam » va cham, va cac, va cao
di cua » dai cua, doi cua, de cua

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ((y nang) OR (ky nang)) xa hoi. lieu va cam duc va thanh di cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ((y nang) OR (ky nang)) xa hoi. lieu va cam duc va thanh di cua tre".
• Adding a wildcard symbol may retrieve word variants: su sach ((y nang) OR (ky nang)) xa hoi. lieu va cam duc va thanh di cua tre*.